html, body, div, span, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, abbr, address, cite, code, del, dfn, em, img, ins, kbd, q, samp, small, strong, sub, sup, var, b, i, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, figure, footer, header, menu, nav, section, time, mark, audio, video, details, summary{ margin:0; padding:0;box-sizing: border-box;}  
body{ font-family:"Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif; color:#333; background-color:#fff; font-size:15px; background-attachment:fixed; overflow-x:hidden;width: 100vw;height: 100vh;}  
a{ color:#06f; text-decoration:none;}  
a:hover{ color:#f60; text-decoration:none;}  
img{ border:none; vertical-align:middle; max-width: 100%;}  
i,em{ font-style:normal;}  
li{ list-style-type:none;}  
textarea{ resize:vertical;}  
input, select, textarea{ font-family:"Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif; background-color:#fff; margin:0; padding:0; outline:none;}  
/* ::-webkit-scrollbar {
	  width: 0;
	  height: 0;
	  background-color: transparent;
	} */